CN117826535A - Manufacturing method of nano-imprinting adhesive layer for optical element - Google Patents
Manufacturing method of nano-imprinting adhesive layer for optical element Download PDFInfo
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- CN117826535A CN117826535A CN202211188560.5A CN202211188560A CN117826535A CN 117826535 A CN117826535 A CN 117826535A CN 202211188560 A CN202211188560 A CN 202211188560A CN 117826535 A CN117826535 A CN 117826535A
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- adhesive layer
- imprinting
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- optical element
- manufacturing
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- 239000012790 adhesive layer Substances 0.000 title claims abstract description 72
- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 31
- 239000010410 layer Substances 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- 239000004014 plasticizer Substances 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 9
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical compound C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 claims description 6
- VVBLNCFGVYUYGU-UHFFFAOYSA-N 4,4'-Bis(dimethylamino)benzophenone Chemical compound C1=CC(N(C)C)=CC=C1C(=O)C1=CC=C(N(C)C)C=C1 VVBLNCFGVYUYGU-UHFFFAOYSA-N 0.000 claims description 6
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 6
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 6
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 6
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 claims description 3
- JOWLLZXFBDTISW-UHFFFAOYSA-N 2,2-dimethylpropane-1,3-diol methyl prop-2-eneperoxoate Chemical class C(C=C)(=O)OOC.OCC(C)(CO)C JOWLLZXFBDTISW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000000020 Nitrocellulose Substances 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 3
- 150000004056 anthraquinones Chemical class 0.000 claims description 3
- RFXSFVVPCLGHAU-UHFFFAOYSA-N benzene;phenol Chemical compound C1=CC=CC=C1.OC1=CC=CC=C1.OC1=CC=CC=C1 RFXSFVVPCLGHAU-UHFFFAOYSA-N 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- -1 fatty acid ester Chemical class 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- ZHBRXKCMXCSQRJ-UHFFFAOYSA-N hexane-1,6-diol methyl prop-2-eneperoxoate Chemical compound C(C=C)(=O)OOC.C(CCCCCO)O ZHBRXKCMXCSQRJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 229920001220 nitrocellulos Polymers 0.000 claims description 3
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 3
- 229950000688 phenothiazine Drugs 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 claims description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 2
- 125000002252 acyl group Chemical group 0.000 claims description 2
- MDDUHVRJJAFRAU-YZNNVMRBSA-N tert-butyl-[(1r,3s,5z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane Chemical compound C1[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C(=C)\C1=C/CP(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 MDDUHVRJJAFRAU-YZNNVMRBSA-N 0.000 claims description 2
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a method for manufacturing a nano imprinting adhesive layer for an optical element, which comprises the following steps of S1, preparing imprinting adhesive; s11: selecting a material; s12: mixing the raw materials; s2: preparing an imprinting adhesive layer; s21: preparing a substrate; s22: coating a fence; s23: coating an imprinting adhesive layer; s24: intermittent coverage is repeatedly coated; s25: stamping the adhesive layer; s3: etching the adhesive layer to obtain an imprinting adhesive layer; according to the invention, the first adhesive layer is uniformly coated on the substrate in a mode of writing the zigzag lines or the cloud Lei Wen, so that the adhesive is uniformly diffused, meanwhile, when the adhesive layer is formed, the thickness of the adhesive layer is the maximum thickness of each position of the adhesive layer, and the other areas with smaller thickness are improved through subsequent coverage repeated coating, namely, the second adhesive layer, so that the formation of the adhesive layer is more reasonable.
Description
Technical Field
The invention particularly relates to the technical field of nano-imprinting glue, in particular to a method for manufacturing a nano-imprinting glue layer for an optical element.
Background
Among the current AR solutions in all kinds, the most mass-production possible solution is the optical waveguide solution. The nano-imprinting technology is needed in the mass production of the optical waveguide. In the process of stamping the product, the glue needs to be uniformly coated on the glass, and a spin coating mode is generally selected. In this way, a glue layer with uniform thickness distribution can be obtained, and the general deviation can be controlled within +/-2%.
After imprinting, residual glue with inconsistent thickness is formed due to consistent glue thickness, and the thickness deviation of the residual glue is more than 100 nm. This thickness deviation has a great influence on the high quality propagation of the internal optical path, and may also destroy the total reflection conditions within the waveguide, resulting in a part of the light being coupled out of the waveguide, causing optical path leakage and energy loss.
Through retrieval, the patent with the Chinese patent publication number of CN113900354A discloses a manufacturing method of a nano-imprinting adhesive layer and an optical element, and the manufacturing method of the nano-imprinting adhesive layer comprises the following steps: step S10: coating glue on a substrate and forming a glue layer with uniform thickness; step S20: the mask plate is placed over the glue layer to form an intermediate piece. Although the above method improves the problems to some extent, the effect is still not ideal.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a manufacturing method of a nano-imprinting adhesive layer for an optical element.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the preparation method of the nano-imprinting adhesive layer for the optical element comprises the following steps:
s1, preparing impression compound;
s11: selecting materials, namely base resin, active monomers, a photoinitiator, a stabilizer, a leveling agent, a defoaming agent, a plasticizer and a coupling agent; specifically, an crafty polyether modified epoxy acrylic resin is selected as a base resin;
s12: mixing raw materials, mixing base resin and active monomer in a container to obtain a mixed solution thereof, sequentially adding a photoinitiator, a stabilizer, a leveling agent, a defoaming agent, a plasticizer and a coupling agent, and heating at constant temperature until the monomers polymerize to obtain the imprinting glue;
s2: preparing an imprinting adhesive layer;
s21: preparing a substrate; selecting a pet substrate;
s22: coating a fence; selecting a pet solvent in a molten state, and coating a fence on the substrate;
s23: coating an imprinting adhesive layer; uniformly coating the stamping glue in the fence of the substrate in a writing mode of a zigzag pattern or cloud Lei Wen by using glue coating equipment to form a first glue layer;
s24: intermittent coverage is repeatedly coated; coating a second adhesive layer by using the method of S23, wherein the starting point of the second adhesive layer is selected in the gap of the first adhesive layer;
s25: stamping the adhesive layer; after finishing the repeated coating of S24, selecting a transparent imprinting template to imprint the adhesive layer;
s3: and etching the adhesive layer to obtain the imprinting adhesive layer.
Further, the reactive monomer is one of 1, 6-hexanediol methoxy monoacrylate or ethoxylated neopentyl glycol methoxy monoacrylate.
Based on the scheme, the photoinitiator is one of acyl phosphine oxide, phthalide ketal or acetophenone, michler's ketone and benzophenone.
As a still further scheme of the invention, the stabilizer is one or more of benzene diphenol, p-methoxyphenol, 2, 6-di-tert-butyl cresol, phenothiazine or anthraquinone.
Further, the leveling agent is one or more of polyacrylate, cellulose acetate butyrate, nitrocellulose and polyvinyl butyral.
Based on the scheme, the defoaming agent is phosphate or fatty acid ester, and the plasticizer is di (2-ethylhexyl) phthalate or diethyl phthalate.
As a still further aspect of the present invention, the coupling agent is gamma-propyl methacrylate trimethoxysilane or gamma-aminopropyl triethoxysilane.
Further, the surface layer of the substrate is coated with a hexamethyldisilazane layer.
On the basis of the above scheme, in the S24 process, the number of the glue layers is at least two.
The beneficial effects of the invention are as follows:
1. by uniformly coating the first adhesive layer on the substrate in a mode of writing the zigzag lines or the cloud Lei Wen, the adhesive is uniformly diffused, meanwhile, when the adhesive layer is formed, the thickness of the adhesive layer is the maximum thickness of each position of the adhesive layer, and the other areas with thinner thickness are improved through subsequent coverage repeated coating, namely, the second adhesive layer, so that the adhesive layer is formed more reasonably.
Drawings
Fig. 1 is a schematic flow chart of a method for manufacturing a nano-imprinting adhesive layer for an optical element according to the present invention;
fig. 2 is a schematic diagram of a pen with a zigzag pattern in embodiment 1 of a method for manufacturing a nano-imprinting adhesive layer for an optical element according to the present invention;
fig. 3 is a schematic drawing of a pen-up pattern of example 2 Yun Lei of a method for manufacturing a nano-imprinting adhesive layer for an optical element according to the present invention.
In the figure: the first glue layer of the A-shape pattern, the second glue layer of the B-shape pattern and the first glue layer of the C-cloud thunder pattern and the second glue layer of the D-cloud thunder pattern are taken as the coating starting points.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1 and 2, a method for manufacturing a nano-imprinting adhesive layer for an optical element includes the following steps:
s1, preparing impression compound;
s11: selecting materials, namely base resin, active monomers, a photoinitiator, a stabilizer, a leveling agent, a defoaming agent, a plasticizer and a coupling agent; specifically, an crafty polyether modified epoxy acrylic resin is selected as a base resin;
s12: mixing raw materials, mixing base resin and active monomer in a container to obtain a mixed solution thereof, sequentially adding a photoinitiator, a stabilizer, a leveling agent, a defoaming agent, a plasticizer and a coupling agent, and heating at constant temperature until the monomers polymerize to obtain the imprinting glue;
s2: preparing an imprinting adhesive layer;
s21: preparing a substrate; selecting a pet substrate;
s22: coating a fence; selecting a pet solvent in a molten state, and coating a fence on the substrate;
s23: coating an imprinting adhesive layer; uniformly coating the stamping glue in a fence of the substrate in a writing mode of a zigzag pattern by using glue coating equipment to form a first glue layer;
s24: intermittent coverage is repeatedly coated; coating a second adhesive layer by using the method of S23, wherein the starting point of the second adhesive layer is selected in the gap of the first adhesive layer;
s25: stamping the adhesive layer; after finishing the repeated coating of S24, selecting a transparent imprinting template to imprint the adhesive layer;
s3: and etching the adhesive layer to obtain the imprinting adhesive layer.
The active monomer is one of 1, 6-hexanediol methoxy monoacrylate or ethoxylated neopentyl glycol methoxy monoacrylate, so that the viscosity of the monomer can be reduced, and the irritation of the monomer can be reduced;
the photoinitiator is one of acylphosphine oxide, phthalide ketal or acetophenone, michler's ketone and benzophenone, wherein the common acylphosphine oxide comprises BAPO,819 and TIM, the photoinitiator molecule is excited after absorbing ultraviolet light energy, and the molecule covalent bond in the excited state is broken to generate free radicals.
The stabilizer is one or more of benzene diphenol, p-methoxyphenol, 2, 6-di-tert-butylphenol, phenothiazine or anthraquinone, and is used for reducing polymerization during storage and improving the storage stability of the resin;
the leveling agent is one or more of polyacrylate, cellulose acetate butyrate, nitrocellulose and polyvinyl butyral, and is used for improving the leveling property of the resin and preventing the occurrence of coating defects such as shrinkage cavity, needle eye and the like;
the defoamer is phosphate or fatty acid ester, the plasticizer is di (2-ethylhexyl) phthalate or diethyl phthalate, and the defoamer is used for preventing and eliminating bubbles generated in the manufacturing and using processes of the coating and preventing defects such as pinholes and the like generated in the coating;
the coupling agent is gamma-methylacrylic acid propyl trimethoxy silane or gamma-aminopropyl triethoxy silane, and the two materials with different properties and sizes are firmly combined.
The surface layer of the substrate is coated with hexamethyldisilazane layers, and the number of the adhesive layers is at least two in the S24 process.
Example 2
Referring to fig. 1 and 3, this embodiment is different from embodiment 1 in step S23: in this embodiment:
s23: coating an imprinting adhesive layer; the imprinting glue is uniformly coated in the fence of the substrate in a writing mode of a zigzag pattern or cloud Lei Wen by using glue coating equipment to form a first glue layer.
Working principle: when the coating is used, the first adhesive layer is uniformly coated on the substrate in a mode of writing the zigzag lines or the cloud Lei Wen, so that the adhesive is uniformly diffused, meanwhile, when the adhesive layer is formed, the thickness of the adhesive layer is the maximum thickness of each position of the adhesive layer, and the other areas with thinner thickness are improved through subsequent repeated coating of the coverage, namely, the second adhesive layer, so that the adhesive layer is formed more reasonably.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The method for manufacturing the nano-imprinting adhesive layer for the optical element is characterized by comprising the following steps of:
s1, preparing impression compound;
s11: selecting materials, namely base resin, active monomers, a photoinitiator, a stabilizer, a leveling agent, a defoaming agent, a plasticizer and a coupling agent; specifically, an crafty polyether modified epoxy acrylic resin is selected as a base resin;
s12: mixing raw materials, mixing base resin and active monomer in a container to obtain a mixed solution thereof, sequentially adding a photoinitiator, a stabilizer, a leveling agent, a defoaming agent, a plasticizer and a coupling agent, and heating at constant temperature until the monomers polymerize to obtain the imprinting glue;
s2: preparing an imprinting adhesive layer;
s21: preparing a substrate; selecting a pet substrate;
s22: coating a fence; selecting a pet solvent in a molten state, and coating a fence on the substrate;
s23: coating an imprinting adhesive layer; uniformly coating the stamping glue in the fence of the substrate in a writing mode of a zigzag pattern or cloud Lei Wen by using glue coating equipment to form a first glue layer;
s24: intermittent coverage is repeatedly coated; coating a second adhesive layer by using the method of S23, wherein the starting point of the second adhesive layer is selected in the gap of the first adhesive layer;
s25: stamping the adhesive layer; after finishing the repeated coating of S24, selecting a transparent imprinting template to imprint the adhesive layer;
s3: and etching the adhesive layer to obtain the imprinting adhesive layer.
2. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: the active monomer is one of 1, 6-hexanediol methoxy monoacrylate or ethoxylated neopentyl glycol methoxy monoacrylate.
3. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: the photoinitiator is one of acyl phosphine oxide, phthalide ketal or acetophenone, michler's ketone and benzophenone.
4. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: the stabilizer is one or more of benzene diphenol, p-methoxyphenol, 2, 6-di-tert-butyl cresol, phenothiazine or anthraquinone.
5. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: the leveling agent is one or more of polyacrylate, cellulose acetate butyrate, nitrocellulose and polyvinyl butyral.
6. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: the defoamer is phosphate or fatty acid ester, and the plasticizer is di (2-ethylhexyl) phthalate or diethyl phthalate.
7. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: the coupling agent is gamma-methacrylic acid propyl trimethoxy silane or gamma-aminopropyl triethoxy silane.
8. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: the surface layer of the substrate is coated with a hexamethyldisilazane layer.
9. The method for manufacturing a nano-imprinting adhesive layer for an optical element according to claim 1, wherein: in the S24 process, the number of the glue layers is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211188560.5A CN117826535A (en) | 2022-09-27 | 2022-09-27 | Manufacturing method of nano-imprinting adhesive layer for optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211188560.5A CN117826535A (en) | 2022-09-27 | 2022-09-27 | Manufacturing method of nano-imprinting adhesive layer for optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117826535A true CN117826535A (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211188560.5A Pending CN117826535A (en) | 2022-09-27 | 2022-09-27 | Manufacturing method of nano-imprinting adhesive layer for optical element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117826535A (en) |
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- 2022-09-27 CN CN202211188560.5A patent/CN117826535A/en active Pending
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